Miniature backpack vacuum cleaner



FIG. 1 is a front view of a miniature backpack vacuum cleaner showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The hose shown broken away in FIGS. 1-3 is understood to represent indeterminate length. 

I claim the ornamental design for a miniature backpack vacuum cleaner, as shown and described. 